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Term Definition
Asymmetric leaf base Referring to a leaf base in which the two sides do not attach to the petiole at the same place, i.e., one is attached to the petiole higher than the other is attached. Asymmetric leaf base of Ulmus rubra. Photo by S. A. Mori.
Leaf base asymmetric Referring to a leaf base in which the two sides do not attach to the petiole at the same place, one is attached than the other. Some leaf features of witch hazel. Photo by S. A. Mori.